1 changed files with 20 additions and 0 deletions
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y2020/p25.py
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| import itertools | |||||
| import sys | |||||
| text = sys.stdin.read() | |||||
| A, B = map(int, text.splitlines()) | |||||
| val = 1 | |||||
| subj = 7 | |||||
| for i in itertools.count(): | |||||
| val = (val * subj) % 20201227 | |||||
| if val == A: | |||||
| loopA = i + 1 | |||||
| break | |||||
| val = 1 | |||||
| subj = B | |||||
| for _ in range(loopA): | |||||
| val = (val * subj) % 20201227 | |||||
| print(val) |
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